Thanks for the list, I feel like installing most of those into my current game!
That idea about civilians running away from things sounds like it would not only make sense, but possibly make the terror missions a bit more dynamic. Like the aliens moving around a bit more also. The civilians tend to die quite fast.
Also nice to see you Canageek! I remember you from CRPG Addict blog comments (I haven’t been super active there but I’m ‘evktalo’ there.)